Hi,

On Mon, Aug 20, 2018 at 10:45 AM Ralf Schenk <rs@databay.de> wrote:

Hello,

very interesting output. Feature Lost...

[root@engine-mciii ~]# engine-config -g LibgfApiSupported
LibgfApiSupported: false version: 3.6
LibgfApiSupported: false version: 4.0
LibgfApiSupported: true version: 4.1
LibgfApiSupported: false version: 4.2

Did you enable it? did it fix your issue?

Bye

Am 17.08.2018 um 17:57 schrieb Alex K:
CORRECTION
On Fri, Aug 17, 2018 at 6:55 PM Alex K <rightkicktech@gmail.com> wrote:
Hi,
On Fri, Aug 17, 2018 at 6:21 PM Ralf Schenk <rs@databay.de> wrote:

Hello,

after upgradeing my whole cluster of 8 Hosts to ovirt 4.2.5 and setting compability of cluster and datacenter to 4.2 my existing virtual machines start using FUSE mounted disk-images on my gluster volumes.

One bad and slow thing I thought that I got rid of starting with 4.1.x finally !

Disk definition from virsh -r dumpxml VM of old running vm (not restarted yet !):

<disk type='network' device='disk' snapshot='no'> <driver name='qemu' type='raw' cache='none' error_policy='stop' io='threads'/> <source protocol='gluster' name='gv0/5d99af76-33b5-47d8-99da-1f32413c7bb0/images/d5f3657f-ac7a-4d89-8a83-e7c47ee0ef05/f99c6cb4-1791-4a55-a0b9-2ff0ec1a4dd7'> <host name='glusterfs.mylocal.domain' port='24007'/> </source> <backingStore/> <target dev='sda' bus='scsi'/> <serial>d5f3657f-ac7a-4d89-8a83-e7c47ee0ef05</serial> <boot order='1'/> <alias name='scsi0-0-0-0'/> <address type='drive' controller='0' bus='0' target='0' unit='0'/> </disk>

Disk definition from virsh -r dumpxml VM of new started running vm:

<disk type='file' device='disk' snapshot='no'> <driver name='qemu' type='raw' cache='none' error_policy='stop' io='threads'/> <source file='/rhev/data-center/mnt/glusterSD/glusterfs.mylocal.domain:_gv0/5d99af76-33b5-47d8-99da-1f32413c7bb0/images/1f0db0ef-a6af-4e3e-90e6-f681d071496b/1b3c3a <backingStore/> <target dev='sda' bus='scsi'/> <serial>1f0db0ef-a6af-4e3e-90e6-f681d071496b</serial> <boot order='1'/> <alias name='ua-1f0db0ef-a6af-4e3e-90e6-f681d071496b'/> <address type='drive' controller='0' bus='0' target='0' unit='0'/> </disk>

How do I get back my gfapi gluster-based Disks ?
Can you check at engine the gfapi support with:
engine-config -g LibgfApiSupported
If not enabled you can try: 

engine-config -s LibgfApiSupported=true 
Then restart ovirt-engine service, then shutdown/power up one VM to see.
--

Ralf Schenk
fon +49 (0) 24 05 / 40 83 70
fax +49 (0) 24 05 / 40 83 759
mail rs@databay.de

Databay AG
Jens-Otto-Krag-Straße 11
D-52146 Würselen
www.databay.de

Sitz/Amtsgericht Aachen • HRB:8437 • USt-IdNr.: DE 210844202
Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch Yavari, Dipl.-Kfm. Philipp Hermanns
Aufsichtsratsvorsitzender: Wilhelm Dohmen

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--

Ralf Schenk
fon +49 (0) 24 05 / 40 83 70
fax +49 (0) 24 05 / 40 83 759
mail rs@databay.de

Databay AG
Jens-Otto-Krag-Straße 11
D-52146 Würselen
www.databay.de

Sitz/Amtsgericht Aachen • HRB:8437 • USt-IdNr.: DE 210844202
Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch Yavari, Dipl.-Kfm. Philipp Hermanns
Aufsichtsratsvorsitzender: Wilhelm Dohmen


Ralf Schenk fon +49 (0) 24 05 / 40 83 70 fax +49 (0) 24 05 / 40 83 759 mail rs@databay.de		Databay AG Jens-Otto-Krag-Straße 11 D-52146 Würselen www.databay.de
Sitz/Amtsgericht Aachen • HRB:8437 • USt-IdNr.: DE 210844202 Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch Yavari, Dipl.-Kfm. Philipp Hermanns Aufsichtsratsvorsitzender: Wilhelm Dohmen